Segmental pigmentation disorder
An irregularly marginated unilateral depigmented area on the right side of the face; now termed segmental pigmentation disorder
Keywords: Face, Infant, Naevus depigmentosus, Segmental achromic naevus, Skin of colour
What is segmental pigmentation disorder?
Segmental pigmentation disorder (SegPD) refers to a subset of localised cutaneous pigmentary anomalies without systemic manifestations. It is characterised by unilateral hypo- or hyperpigmented patches, predominantly on the frontal torso with a sharp midline delineation.
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Source: dermnetnz.org